package cn.oauth2.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

import cn.commons.utils.PermitAllUrl;

/**
 * spring security安全配置
 * 
 * @author 偶尔有点困
 * @date 2018年5月22日
 */
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    public UserDetailsService userDetailsService;

    @Autowired
    private BCryptPasswordEncoder passwordEncoder;

    /**
     * 全局用户信息<br>
     * 方法上的注解@Autowired的意思是，方法的参数的值是从spring容器中获取的<br>
     * 即参数AuthenticationManagerBuilder是spring中的一个Bean
     *
     * @param auth 认证管理
     * @throws Exception 用户认证异常信息
     */
    @Autowired
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService).passwordEncoder(passwordEncoder);
    }

    @Override
    @Bean
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.authorizeRequests().antMatchers(PermitAllUrl.permitAllUrl("/oauth2/**")).permitAll().anyRequest()
                .authenticated().and().httpBasic().and().csrf().disable();

    }
}